Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Calvin E Day
Driver in Little Rock, AR · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487215489
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Registry record
Entity type Individual (Type 1)
Name Calvin E Day
Sex Male
Practice address 10201 Republic Ln, Little Rock, AR, 72209
Phone (501) 352-6595
Enumeration date Jun 21, 2019
Last updated in NPPES Aug 24, 2026
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Calvin Day practice?
The practice location on file with NPPES is in Little Rock, AR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Calvin Day?
The National Provider Identifier (NPI) for Calvin Day is 1487215489, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-24.